5 # chkconfig: 2345 09 91
6 # description: Manage Open vSwitch kernel modules and user-space daemons
8 # Copyright (C) 2009, 2010, 2011 Nicira Networks, Inc.
10 # Licensed under the Apache License, Version 2.0 (the "License");
11 # you may not use this file except in compliance with the License.
12 # You may obtain a copy of the License at:
14 # http://www.apache.org/licenses/LICENSE-2.0
16 # Unless required by applicable law or agreed to in writing, software
17 # distributed under the License is distributed on an "AS IS" BASIS,
18 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 # See the License for the specific language governing permissions and
20 # limitations under the License.
22 # Provides: openvswitch-switch
25 # Default-Start: 2 3 4 5
27 # Short-Description: Open vSwitch switch
30 # source function library
31 if [ -f /etc/init.d/functions ]; then
32 . /etc/init.d/functions
33 elif [ -f /etc/rc.d/init.d/functions ]; then
34 . /etc/rc.d/init.d/functions
35 elif [ -f /lib/lsb/init-functions ]; then
36 . /lib/lsb/init-functions
38 echo "$0: missing LSB shell function library" >&2
42 if type action >/dev/null 2>&1; then
51 if [ $rc -eq 0 ] ; then
52 log_success_msg $"$STRING "
54 log_failure_msg $"$STRING "
60 test -e /etc/xensource-inventory && . /etc/xensource-inventory
61 test -e /etc/sysconfig/openvswitch && . /etc/sysconfig/openvswitch
62 if test -e /etc/xensource/network.conf; then
63 NETWORK_MODE=$(cat /etc/xensource/network.conf)
66 case ${NETWORK_MODE:=openvswitch} in
73 echo "Open vSwitch disabled (/etc/xensource/network.conf is invalid)" >&2
78 : ${ENABLE_MONITOR:=y}
79 : ${FORCE_COREFILES:=y}
81 # Config variables specific to ovsdb-server
82 : ${OVSDB_SERVER_REMOTES:=punix:/var/run/openvswitch/db.sock db:Open_vSwitch,manager_options}
83 : ${OVSDB_SERVER_DB:=/etc/openvswitch/conf.db}
84 : ${OVSDB_SERVER_PIDFILE:=/var/run/openvswitch/ovsdb-server.pid}
85 : ${OVSDB_SERVER_RUN_DIR:=/var/xen/openvswitch}
86 : ${OVSDB_SERVER_PRIORITY:=-10}
87 : ${OVSDB_SERVER_LOGFILE:=/var/log/openvswitch/ovsdb-server.log}
88 : ${OVSDB_SERVER_FILE_LOGLEVEL:=INFO}
89 : ${OVSDB_SERVER_SYSLOG_LOGLEVEL:=ERR}
90 : ${OVSDB_SERVER_MEMLEAK_LOGFILE:=}
91 : ${OVSDB_SERVER_STRACE_LOG:=}
92 : ${OVSDB_SERVER_STRACE_OPT:=}
93 : ${OVSDB_SERVER_VALGRIND_LOG:=}
94 : ${OVSDB_SERVER_VALGRIND_OPT:=}
96 # Config variables specific to ovs-vswitchd
97 : ${VSWITCHD_OVSDB_SERVER:=unix:/var/run/openvswitch/db.sock}
98 : ${VSWITCHD_OVSDB_SCHEMA:=/usr/share/openvswitch/vswitch.ovsschema}
99 : ${VSWITCHD_PIDFILE:=/var/run/openvswitch/ovs-vswitchd.pid}
100 : ${VSWITCHD_RUN_DIR:=/var/xen/openvswitch}
101 : ${VSWITCHD_PRIORITY:=-10}
102 : ${VSWITCHD_MLOCKALL:=yes}
103 : ${VSWITCHD_LOGFILE:=/var/log/openvswitch/ovs-vswitchd.log}
104 : ${VSWITCHD_FILE_LOGLEVEL:=INFO}
105 : ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
106 : ${VSWITCHD_MEMLEAK_LOGFILE:=}
107 : ${VSWITCHD_STRACE_LOG:=}
108 : ${VSWITCHD_STRACE_OPT:=}
109 : ${VSWITCHD_VALGRIND_LOG:=}
110 : ${VSWITCHD_VALGRIND_OPT:=}
112 : ${OVS_XAPI_SYNC_PIDFILE:=/var/run/openvswitch/ovs-xapi-sync.pid}
114 # Full paths to executables & modules
115 ovsdb_server="/usr/sbin/ovsdb-server"
116 ovsdb_tool="/usr/bin/ovsdb-tool"
117 vswitchd="/usr/sbin/ovs-vswitchd"
118 dpctl="/usr/bin/ovs-dpctl"
119 appctl="/usr/bin/ovs-appctl"
120 ofctl="/usr/bin/ovs-ofctl"
121 vsctl="/usr/bin/ovs-vsctl"
123 if test "$ENABLE_MONITOR" = "y"; then
124 monitor_opt="--monitor"
129 function hup_monitor_external_ids {
130 if [ -e "$OVS_XAPI_SYNC_PIDFILE" ]; then
131 action "Configuring Open vSwitch external IDs" kill -HUP `cat "$OVS_XAPI_SYNC_PIDFILE"`
135 function turn_on_corefiles {
139 function remove_all_dp {
140 for dp in $($dpctl dump-dps); do
141 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
145 function insert_modules_if_required {
146 if test -e /sys/module/bridge; then
147 bridges=`echo /sys/class/net/*/bridge | sed 's,/sys/class/net/,,g;s,/bridge,,g'`
148 if test "$bridges" != "*"; then
149 log_warning_msg "not removing bridge module because bridges exist ($bridges)"
151 action "removing bridge module" rmmod bridge
154 if ! lsmod | grep -q "openvswitch_mod"; then
155 action "Inserting llc module" modprobe llc
156 action "Inserting openvswitch module" modprobe openvswitch_mod
160 function remove_modules {
161 if lsmod | grep -q "openvswitch_mod"; then
162 action "Removing openvswitch module" rmmod openvswitch_mod.ko
166 function start_daemon {
171 # cd to daemon's run_dir so core files get dumped into a sensible place.
172 eval local run_dir=\$${DAEMON}_RUN_DIR
173 if [ ! -d "$run_dir" ]; then
174 install -d -m 755 -o root -g root "$run_dir"
178 # Configure log levels.
179 eval local syslog_loglevel=\$${DAEMON}_SYSLOG_LOGLEVEL
180 eval local file_loglevel=\$${DAEMON}_FILE_LOGLEVEL
181 eval local logfile=\$${DAEMON}_LOGFILE
182 set -- "$@" -vANY:CONSOLE:EMER -vANY:SYSLOG:"$syslog_loglevel"
183 if test -n "$file_loglevel" && test -n "$logfile"; then
184 install -d -m 755 -o root -g root `dirname "$logfile"`
185 set -- "$@" --log-file="$logfile" -vANY:FILE:"$file_loglevel"
188 # Configure leak checker.
189 eval local memleak_logfile=\$${DAEMON}_MEMLEAK_LOGFILE
190 if test -n "$memleak_logfile"; then
191 set -- "$@" --check-leaks="$memleak_logfile"
192 if test -e "$memleak_logfile"; then
193 mv "$memleak_logfile" "$memleak_logfile.prev"
197 # Configure debugging wrappers.
198 eval local strace_log=\$${DAEMON}_STRACE_LOG
199 eval local strace_opt=\$${DAEMON}_STRACE_OPT
200 eval local valgrind_log=\$${DAEMON}_VALGRIND_LOG
201 eval local valgrind_opt=\$${DAEMON}_VALGRIND_OPT
202 if test -n "$strace_log" && test -n "$valgrind_log"; then
203 printf "Can not start with both VALGRIND and STRACE\n"
205 elif test -n "$strace_log"; then
207 set -- strace -o "$strace_log" $strace_opt "$@"
208 elif test -n "$valgrind_log"; then
210 set -- valgrind --log-file="$valgrind_log" $valgrind_opt "$@"
212 local mode=production
213 eval local pidfile=\$${DAEMON}_PIDFILE
214 install -d -m 755 -o root -g root `dirname $pidfile`
215 set -- "$@" --pidfile="$pidfile" --detach $monitor_opt --no-chdir
218 # Configure niceness.
219 eval local priority=\$${DAEMON}_PRIORITY
220 if test -n "$priority"; then
221 set -- nice -n $priority "$@"
224 if test $mode = production; then
225 action "Starting `basename $BINARY`" "$@"
227 # Start in background and force a "success" message
228 action "Starting `basename $BINARY` with $mode debugging" true
233 function start_ovsdb_server {
234 set -- "$ovsdb_server" "$OVSDB_SERVER_DB"
235 for remote in $OVSDB_SERVER_REMOTES; do
236 set -- "$@" --remote="$remote"
238 set -- "$@" --private-key=db:SSL,private_key --certificate=db:SSL,certificate --bootstrap-ca-cert=db:SSL,ca_cert
239 start_daemon OVSDB_SERVER "$@"
242 function start_vswitchd {
244 if [ "$VSWITCHD_MLOCKALL" != "no" ]; then
245 mlockall_opt="--mlockall"
248 start_daemon VSWITCHD "$vswitchd" $mlockall_opt "$VSWITCHD_OVSDB_SERVER"
251 function stop_daemon {
254 eval local pidfile=\$${DAEMON}_PIDFILE
255 if test -f "$pidfile"; then
256 local pid=$(cat "$pidfile")
257 action "Killing `basename $BINARY` ($pid)" kill $pid
258 for delay in .1 .25 .65 1 1 1 1; do
259 if kill -0 $pid >/dev/null 2>&1; then
268 function set_system_ids {
269 if [ -f /etc/xensource-inventory ]; then
270 OVS_VERSION=`ovs-vswitchd --version | sed 's/.*) //;1q'`
271 action "Configuring Open vSwitch system IDs" true
272 $vsctl --no-wait --timeout=5 set Open_vSwitch . \
273 ovs-version="$OVS_VERSION" \
274 system-type="$PRODUCT_BRAND" \
275 system-version="$PRODUCT_VERSION-$BUILD_NUMBER" \
276 external-ids:system-id="$INSTALLATION_UUID" \
277 external-ids:xs-system-uuid="$INSTALLATION_UUID"
279 if test -f /etc/openvswitch/install_uuid.conf; then
280 . /etc/openvswitch/install_uuid.conf
281 elif INSTALLATION_UUID=`uuidgen`; then
282 echo "INSTALLATION_UUID=$INSTALLATION_UUID" > /etc/openvswitch/install_uuid.conf
284 log_failure_msg "missing uuidgen, could not generate system UUID"
287 $vsctl --no-wait --timeout=5 set Open_vSwitch . \
288 external-ids:system-id="$INSTALLATION_UUID"
289 action "Configuring Open vSwitch system IDs" true
294 if [ "$FORCE_COREFILES" = "y" ]; then
298 insert_modules_if_required
300 # Increase the limit on the number of open file descriptors since
301 # ovs-vswitchd needs a few per bridge
305 iptables -I INPUT -p gre -j ACCEPT
307 schemaver=`$ovsdb_tool schema-version "$VSWITCHD_OVSDB_SCHEMA"`
308 if [ ! -e "$OVSDB_SERVER_DB" ]; then
309 warning "$OVSDB_SERVER_DB does not exist"
310 install -d -m 755 -o root -g root `dirname $OVSDB_SERVER_DB`
312 action "Creating empty database $OVSDB_SERVER_DB" true
313 $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
314 elif test "X`$ovsdb_tool needs-conversion "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"`" != Xno; then
315 # Back up the old version.
316 version=`$ovsdb_tool db-version "$OVSDB_SERVER_DB"`
317 cksum=`$ovsdb_tool db-cksum "$OVSDB_SERVER_DB" | awk '{print $1}'`
318 cp "$OVSDB_SERVER_DB" "$OVSDB_SERVER_DB.backup$version-$cksum"
320 # Compact database. This is important if the old schema did not enable
321 # garbage collection (i.e. if it did not have any tables with "isRoot":
322 # true) but the new schema does. In that situation the old database
323 # may contain a transaction that creates a record followed by a
324 # transaction that creates the first use of the record. Replaying that
325 # series of transactions against the new database schema (as "convert"
326 # does) would cause the record to be dropped by the first transaction,
327 # then the second transaction would cause a referential integrity
328 # failure (for a strong reference).
329 $ovsdb_tool -vANY:console:emer compact "$OVSDB_SERVER_DB"
331 # Upgrade or downgrade schema.
332 $ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
336 $vsctl --no-wait --timeout=5 init -- set Open_vSwitch . db-version="$schemaver"
337 if [ ! -e /var/run/openvswitch.booted ]; then
338 touch /var/run/openvswitch.booted
339 for bridge in $($vsctl list-br); do
340 $vsctl --no-wait --timeout=5 del-br $bridge
348 if [ -f /etc/xensource-inventory ]; then
349 # Start daemon to monitor external ids
350 PYTHONPATH=/usr/share/openvswitch/python \
351 /usr/share/openvswitch/scripts/ovs-xapi-sync \
352 --pidfile --detach $monitor_opt "$VSWITCHD_OVSDB_SERVER"
355 touch /var/lock/subsys/openvswitch
359 stop_daemon VSWITCHD "$vswitchd"
360 stop_daemon OVSDB_SERVER "$ovsdb_server"
361 stop_daemon OVS_XAPI_SYNC ovs-xapi-sync
362 rm -f /var/lock/subsys/openvswitch
365 function internal_interfaces {
366 # Outputs a list of internal interfaces:
368 # - There is an internal interface for every bridge, whether it has
369 # an Interface record or not and whether the Interface record's
370 # 'type' is properly set.
372 # - There is an internal interface for each Interface record whose
373 # 'type' is 'internal'.
375 # But ignore interfaces that don't really exist.
376 for d in `(ovs-vsctl --bare \
377 -- --columns=name find Interface type=internal \
378 -- list-br) | sort -u`
380 if test -e "/sys/class/net/$d"; then
386 function force_reload_kmod {
387 ifaces=$(internal_interfaces)
388 action "Configured internal interfaces: $ifaces" true
393 action "Save interface configuration to $script" true
394 if ! /usr/share/openvswitch/scripts/ovs-save $ifaces > $script; then
395 warning "Failed to save configuration, not replacing kernel module"
401 action "Destroy datapaths" remove_all_dp
407 action "Restore interface configuration from $script" $script
422 # Nothing to do to ovs-vswitchd and ovsdb-server as they keep their
423 # configuration up-to-date all the time. HUP ovs-xapi-sync so it
425 hup_monitor_external_ids
429 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
432 status -p "$OVSDB_SERVER_PIDFILE" ovsdb-server &&
433 status -p "$VSWITCHD_PIDFILE" ovs-vswitchd
436 /usr/sbin/ovsdb-server -V
437 /usr/sbin/ovs-vswitchd -V
443 printf "openvswitch [start|stop|restart|reload|force-reload|status|version]\n"
446 printf "Unknown command: $1\n"